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86957253 = 333220639
BaseRepresentation
bin1010010111011…
…01110011000101
320001121212221000
411023231303011
5134230113003
612343443513
72104060455
oct513556305
9201555830
1086957253
11450a32a9
1225156599
1315027cc6
14b797d65
15797a1a3
hex52edcc5

86957253 has 8 divisors (see below), whose sum is σ = 128825600. Its totient is φ = 57971484.

The previous prime is 86957249. The next prime is 86957279. The reversal of 86957253 is 35275968.

It is a happy number.

It is not a de Polignac number, because 86957253 - 22 = 86957249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86957199 and 86957208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86957203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610293 + ... + 1610346.

It is an arithmetic number, because the mean of its divisors is an integer number (16103200).

Almost surely, 286957253 is an apocalyptic number.

It is an amenable number.

86957253 is a deficient number, since it is larger than the sum of its proper divisors (41868347).

86957253 is a wasteful number, since it uses less digits than its factorization.

86957253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220648 (or 3220642 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 86957253 is about 9325.0872918166. The cubic root of 86957253 is about 443.0321778691.

The spelling of 86957253 in words is "eighty-six million, nine hundred fifty-seven thousand, two hundred fifty-three".

Divisors: 1 3 9 27 3220639 9661917 28985751 86957253